A few links that may help you out if you are battling the challenges that can occur in an implementation of SQL Server Reporting Services in SharePoint Integration Mode. Most focusing on SQL 2005 as that is the current challenge I am helping someone with.
On the deploying client, the machine used for creating the reports to be deployed, update to SQL Server 2005 SP2 (client tools at least) for a better (less chance of errors) experience.
How to: Configure the Report Server Integration Feature in SharePoint Central Administration from SQL Server 2005 Books Online (http://technet.microsoft.com/en-us/library/ms157412(SQL.90).aspx)
How to: Configure SharePoint Integration on Multiple Servers